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🌊 Marine Data Deficient 🌡️ Deep-water

South Atlantic Dragonfish

Eustomias austratlanticus Gibbs, Clarke & Gomon, 1983
Max Length
15.6 cm
Max Weight
-
Lifespan
-
Trophic Level
4.3
Depth
0–2000 m
Climate
Deep-water
Resilience
Medium
Vulnerability
28.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

South Atlantic Dragonfish (Eustomias austratlanticus), first described by Gibbs, Clarke & Gomon, 1983 is a medium-sized fish in the family Stomiidae (order Stomiiformes). Adults typically reach 15.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 2000 metres. It occurs in Deep-water waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Eustomias austratlanticus
Authority
Gibbs, Clarke & Gomon, 1983
Habitat
Marine
Climate
Deep-water
Body Shape
Elongated
IUCN Status
DD
Max Length
15.6 cm
Depth Range
0–2000 m
Trophic Level
4.3
Resilience
Medium
Vulnerability
28.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Stomiiformes
Stomiiformes
Family
Stomiidae
Stomiidae
Genus
Eustomias
Eustomias
Species
South Atlantic Dragonfish
Eustomias austratlanticus

🐟 Physical Description

Dorsal soft rays (total): 27; Anal soft rays: 41; Vertebrae: 70. Two terminal bulbs separated by a long interspace (usually 2.8-3 times length of distal bulb). Barbel 8.1% SL in large specimens, short 27% SL in small specimens. Terminal filament short, 3.9-9.4% SL with 2 short branches together about 2 distal-bulb lengths from the bulb. Distal bulb 1.4-2.1 times length of proximal bulb. Axis of stem pigmented, lightly in small specimen, moderately dark in large ones. External chevron-shaped or roundish striated area on stem pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 in small specimens .: elongated.

🌀 Behaviour

Behavioural data for South Atlantic Dragonfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; bathypelagic; depth range 0 - 2000 m . Deep-water Southeast Atlantic.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
4.3±0.8

📐 Morphometrics

Length–Weight Relationship: W = 0.00309 × L3.12 (TL)
Max TL
15.6cm
Dorsal Rays
27
Anal Rays
41
Vertebrae
70

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
4.3
Apex / Top predator
Body Shape
Elongated
Climate Zone
Deep-water
Described By
Gibbs, Clarke & Gomon, 1983

🌐 Names & Taxonomy

Language Common Names
🇬🇧English South Atlantic Dragonfish
🌍CES svítivka jihoatlantská
🇵🇹Portuguese Peixe-dragão-do-sul

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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